Add entity customer numbers and scope APIs via selected company.

Entity gets an optional unique-per-company number with allocate/peek/isNumberFree helpers. Company-scoped store methods no longer take companyId and resolve google_auth.selected_company instead.

API.entitycontact.md

@@ -10,7 +10,7 @@ Creates a new contact for an entity.
 
 ```js
 const fn = create(pool);
-const contact = await fn(42, 1, 5, { contactType: 'email', contact: 'a@b.c' });
+const contact = await fn(42, 5, { contactType: 'email', contact: 'a@b.c' });
 // => { id, entityId, contactType, contact, sort }
 ```
 
@@ -22,7 +22,7 @@ Deletes a contact of an entity.
 
 ```js
 const fn = del(pool);
-await fn(42, 1, 5, 9);
+await fn(42, 5, 9);
 ```
 
 ## `entitycontact.list`
@@ -33,7 +33,7 @@ Lists the contacts of an entity.
 
 ```js
 const fn = list(pool);
-const contacts = await fn(42, 1, 5);
+const contacts = await fn(42, 5);
 // => [{ id, entityId, contactType, contact, sort }]
 ```
 
@@ -45,6 +45,6 @@ Updates a contact of an entity.
 
 ```js
 const fn = update(pool);
-const contact = await fn(42, 1, 5, 9, { contact: 'b@c.d' });
+const contact = await fn(42, 5, 9, { contact: 'b@c.d' });
 // => { id, entityId, contactType, contact, sort }
 ```